* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: "Microsoft Yahei", sans-serif;
        }
        :root {
            --primary: #165DFF;
            --text-dark: #1D2129;
            --text-gray: #666;
            --bg-light: #F7F8FA;
            --radius: 10px;
        }
        body {
            color: var(--text-dark);
            line-height: 1.6;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* 导航栏 */
        header {
            position: fixed;
            width: 100%;
            top: 0;
            left: 0;
            transition: 0.3s;
            z-index: 999;
        }
        header.scrolled {
            background: #fff;
            box-shadow: 0 2px 10px rgba(0,0,0,0.06);
        }
        .nav-wrap {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        /* .logo {
			padding-left: 10px;
            font-size: 28px;
            font-weight: bold;
            color: var(--text-dark);
            text-decoration: none;
        } */
		.imglogo {
			padding-left: 10px;
			overflow: hidden;
			position: sticky;
			width: 80px;
			height: 80px;
			background-size: cover;
		}
        .nav-menu a {
			font-size: 22px;
			font-weight: bold;
            margin-left: 50px;
            color: var(--text-dark);
            text-decoration: none;
            transition: 0.2s;
        }
        .nav-menu a:hover {
            color: var(--primary);
        }
        .btn {
            padding: 9px 22px;
            border-radius: var(--radius);
            text-decoration: none;
            transition: 0.25s;
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
        }
        .btn-primary:hover {
            opacity: 0.9;
        }
        .btn-outline {
            border: 1px solid var(--primary);
            color: var(--primary);
        }
        .btn-outline:hover {
            background: var(--primary);
            color: #fff;
        }

        /* 首屏Hero */
        .hero {
            height: 100vh;
            display: flex;
            align-items: center;
            background: linear-gradient(135deg, #f8faff 0%, #f0f7ff 100%);
            padding-top: 80px;
        }
        .hero-content {
            max-width: 650px;
        }
        .hero h1 {
            font-size: 44px;
            margin-bottom: 16px;
        }
        .hero p {
            font-size: 18px;
            color: var(--text-gray);
            margin-bottom: 36px;
        }
        .hero-buttons a {
            margin-right: 16px;
            display: inline-block;
        }

        /* 通用区块样式 */
        section {
            padding: 100px 0;
        }
        .section-title {
            text-align: center;
            font-size: 32px;
            margin-bottom: 60px;
        }

        /* 业务板块 */
        .service-wrap {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }
        .service-card {
            background: #fff;
            padding: 36px 28px;
            border-radius: var(--radius);
            box-shadow: 0 4px 12px rgba(0,0,0,0.05);
            transition: 0.3s;
        }
        .service-card:hover {
            transform: translateY(-6px);
        }
        .service-card h3 {
            margin: 12px 0;
        }
        .service-card p {
            color: var(--text-gray);
        }

        /* 产品板块 */
        .case-wrap {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 26px;
        }
        .case-card {
            border-radius: var(--radius);
            overflow: hidden;
            background: #fff;
            box-shadow: 0 3px 10px rgba(0,0,0,0.05);
			text-decoration: none;
        }
        .case-img {
            height: 160px;
            background: #dde7f8;
        }
        .case-info {
            padding: 20px;
        }
        .case-tag {
            font-size: 13px;
            color: var(--primary);
        }

        /* 关于我们 */
        .about {
            background: var(--bg-light);
        }
        .about-wrap {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }
        .about-text p {
            margin-bottom: 16px;
            color: var(--text-gray);
        }

        /* 联系我们 */
        .contact {
            background: #edf4ff;
        }
        .contact-wrap {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
        }
        .contact-item {
            margin-bottom: 15px;
        }
        /* .contact-form input,.contact-form textarea {
            width: 100%;
            padding: 12px;
            margin-bottom: 14px;
            border: 1px solid #ddd;
            border-radius: var(--radius);
            outline: none;
        }
        .contact-form button {
            border: none;
            cursor: pointer;
        } */
		
        /* 页脚 */
        footer {
            background: #222;
            color: #aaa;
            text-align: center;
            padding: 30px 0;
            font-size: 14px;
        }

        /* 移动端适配 */
        @media(max-width:768px){
            .nav-menu {
                display: none;
            }
            .hero h1 {
                font-size: 30px;
            }
            .service-wrap,.case-wrap,.about-wrap,.contact-wrap {
                grid-template-columns: 1fr;
            }
        }